I don't know what a 5100 is or how the FLASH chip select is generated. Embedded chip select logic usually has a write enable bit. I would suggest that you verify that you can generate a chip select for a write operation.
Paul At 12:35 PM -0800 12/19/01, Rick Hunnicutt wrote: >Hello all, > >I have a 5100 running the 2.4.2 kernel and want to use the onboard flash. >With PPC_Bug, we are able to program the 16M area with a kernel and RAM disk >image and boot. At the very least, I'd like to use some of the remaining >flash area as a read/write area for configuration data. Ideally, I'd like >the whole flash area to be a JFFS file system using MTD and the CFI >interface. > >Problem is, I am unable to get the flash to respond to any type of query. >The MTD code fails to get a response to the CFI query. Other code that tries >to perform a simple query of the chips Manufacture ID fails as well. I can >read the data in the flash that was written by pflash but can't seem to get >writes to occur. > >Anyone using the flash on a 5100 at all? Any ideas, code samples, help at >all would be appreciated! > >Thanks, >Rick > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
